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Home › Jeep › 2004 › Wrangler X, Automatic › Repair and Diagnosis › Electrical › Starter › Powertrain Diagnostic Procedures › DRIVEABILITY - Gas › DTC P0133: O2 Sensor 1/1 Slow Response, DTC P0139: O2 Sensor 1/2 Slow Response, DTC P0153: O2 Sensor 2/1 Slow Response, DTC P0159: O2 Sensor 2/2 Slow Response › Possible Causes

Possible Causes

  1. GOOD TRIP EQUAL TO ZERO
  2. EXHAUST LEAK
  3. RESISTANCE IN THE O2 SENSOR SIGNAL CIRCUIT
  4. RESISTANCE IN THE (K4) SENSOR GROUND CIRCUIT
  5. O2 SENSOR
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